no-rect

q bitrate ssim vmaf speed x265 --y4m -D10 --asm avx512 -pslowxx --crf {q} --no-rect -o "{o}" -
14 11432.93 kbps 0.9996313705448616 98.79407737594552 11.0 fps
18 6566.47 kbps 0.9993227858321845 98.55635387645603 12.32 fps
22 4140.64 kbps 0.9987467996677191 98.10413561907617 13.65 fps
26 2720.22 kbps 0.9975837847020722 97.16102693935036 16.15 fps

rect

q bitrate ssim vmaf speed x265 --y4m -D10 --asm avx512 -pslowxx --crf {q} --rect -o "{o}" -
14 11471.48 kbps 0.9996353815148001 98.80296105599065 8.08 fps
18 6545.4 kbps 0.9993279845641029 98.56743295535304 9.44 fps
22 4124.28 kbps 0.9987561950369805 98.12918971391456 10.61 fps
26 2701.28 kbps 0.9976065129060906 97.21758071623204 11.53 fps

rect --limit-modes

q bitrate ssim vmaf speed x265 --y4m -D10 --asm avx512 -pslowxx --crf {q} --rect --limit-modes -o "{o}" -
14 11483.21 kbps 0.9996350591981356 98.80321799367661 9.36 fps
18 6561.41 kbps 0.9993272793904922 98.56833678778398 10.97 fps
22 4140.33 kbps 0.9987540704852701 98.1275036897061 12.16 fps
26 2713.61 kbps 0.9976009443177071 97.21718574669863 13.32 fps

rect --amp

q bitrate ssim vmaf speed x265 --y4m -D10 --asm avx512 -pslowxx --crf {q} --rect --amp -o "{o}" -
14 11462.21 kbps 0.9996353870360662 98.80324017894557 7.45 fps
18 6541.99 kbps 0.9993277360033603 98.56744496711684 8.63 fps
22 4117.92 kbps 0.9987573537510108 98.1359101967356 9.87 fps
26 2697.48 kbps 0.9976066165752165 97.22259409971856 10.76 fps

rect --amp --limit-modes

q bitrate ssim vmaf speed x265 --y4m -D10 --asm avx512 -pslowxx --crf {q} --rect --amp --limit-modes -o "{o}" -
14 11488.19 kbps 0.9996350005780096 98.80316411758115 8.73 fps
18 6559.57 kbps 0.9993271040411917 98.56416105472667 10.22 fps
22 4141.82 kbps 0.9987542908444105 98.13051439153315 11.75 fps
26 2715.27 kbps 0.9976029221693756 97.22394266304198 13.15 fps